.title {
    text-align: center;
    margin-bottom: 55px;
    h3 {
        font-size: 38px;
        color: #333;
        padding-top: 70px;
        padding-bottom: 22px;
    }
    span {
        font-size: 20px;
        color: #999;
    }
}


/*课程体系*/

.System {
    /*头部区域开始*/
    .header {
        .topbar {
            color: #8d8d8d;
            background: #f6f6f6;
            width: 100%;
            height: 35px;
            line-height: 35px;
            font-size: 12px;
            .topbarL {
                float: left;
                a {
                    color: #8d8d8d;
                }
            }
            .topbarR {
                float: right;
            }
        }
        .nav {
            background: #021E81;
            .ul {
                display: flex;
                .li {
                    cursor: pointer;
                    padding: 0 15px;
                    height: 50px;
                    line-height: 50px;
                    transition: all 0.8s;
                    a {
                        color: #fff;
                    }
                }
                .liF {
                    font-weight: bold;
                    background: #414DFE;
                }
                .li:hover {
                    font-weight: bold;
                    background: #414DFE;
                }
            }
        }
        .banner {
            width: 100%;
            .Img {
                width: 100%;
                display: flex;
                flex-direction: column;
                img {
                    width: 100%;
                    height: auto;
                    margin: 0;
                    border: none;
                }
            }
        }
    }
    /*头部区域结束*/
    /*经历区域开始*/
    /*经历区域结束*/
    .undergo {
        padding-bottom: 100px;
        .main {
            ul {
                display: grid;
                grid-template-columns: 1fr 1fr 1fr 1fr;
                li {
                    cursor: pointer;
                    opacity: 0.6;
                    text-align: center;
                    h4 {
                        font-size: 18px;
                        color: #00b38b;
                        font-weight: bold;
                        padding: 40px 0 30px;
                        box-sizing: border-box;
                    }
                    span {
                        font-size: 14px;
                        color: #999;
                        line-height: 26px;
                    }
                }
                .li_after {
                    opacity: 1;
                }
            }
        }
    }
    // 课程区域开始
    .course {
        padding-bottom: 80px;
        background: #F5F5F5;
        .content {
            background: #fff;
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-template-rows: 1fr;
            grid-gap: 10px;
            img {
                width: 100%;
                height: auto;
                vertical-align: middle;
            }
            .li_box {
                cursor: pointer;
                position: relative;
                overflow: hidden;
                &:hover .Btm {
                    transform: translateY(0);
                }
                .Btm {
                    text-align: center;
                    display: flex;
                    flex-direction: column;
                    align-items: center;
                    justify-content: center;
                    position: absolute;
                    width: 100%;
                    height: 100%;
                    left: 0;
                    top: 0;
                    transform: translateY(100%);
                    background: rgba(0, 0, 0, 0.8);
                    transition: all 0.5s;
                    h3 {
                        font-size: 18px;
                        color: #e74717;
                        margin-bottom: 10px;
                    }
                    a {
                        color: #fff;
                        font-size: 14px;
                    }
                }
            }
            .ul_left {
                display: grid;
                grid-template-columns: 1fr 1fr;
                grid-gap: 10px;
                // background-color: red;
                .li {
                    &:nth-child(2) {
                        display: grid;
                        grid-template-columns: 1fr 1fr;
                        grid-template-rows: 1fr 1fr;
                        grid-gap: 10px;
                    }
                    &:nth-child(3) {
                        display: grid;
                        grid-template-columns: 1fr;
                        grid-gap: 10px;
                        .top {
                            display: grid;
                            grid-template-columns: 1fr 1fr;
                            grid-gap: 10px;
                        }
                    }
                }
            }
            .ul_right {
                display: grid;
                grid-template-columns: 1fr;
                grid-gap: 10px;
                .li {
                    &:nth-child(1) {
                        display: grid;
                        grid-template-columns: 1fr 292.5px 1fr;
                        grid-template-rows: 141.25px;
                        grid-gap: 10px;
                    }
                    &:nth-child(2) {
                        display: grid;
                        grid-template-columns: 1fr 1fr;
                        grid-gap: 10px;
                        .li_right {
                            display: grid;
                            grid-template-columns: 1fr;
                            grid-gap: 10px;
                            .bottom {
                                display: grid;
                                grid-template-columns: 1fr 1fr;
                                grid-gap: 10px;
                            }
                        }
                    }
                    &:nth-child(3) {
                        display: grid;
                        grid-template-columns: 1fr 1fr 292.5px;
                        grid-gap: 10px;
                    }
                }
            }
        }
    }
    /*底部数据开始*/
    .BatmData {
        background: #021E81;
        ul {
            background: rgba(0, 0, 0, 0.6);
            padding: 45px 0;
            box-sizing: border-box;
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
            li {
                color: #fff;
                text-align: center;
                border-left: 1px solid #ebebeb;
                h3 {
                    font-size: 40px;
                    position: relative;
                    display: inline;
                    span {
                        position: absolute;
                        right: 0;
                        top: 0;
                        font-size: 12px;
                        transform: translate(150%, 0%);
                    }
                }
                p {
                    margin-top: 14px;
                    font-size: 12px;
                }
            }
            li:nth-child(1) {
                border: none;
            }
        }
    }
    /*底部数据结束*/
    /*免费试用区域开始*/
    .OnTrial {
        padding-bottom: 100px;
        background: #F5F5F5;
        .title{
            h3{
               padding-top: 0;
            }
        }
        .OnTrial_box {
            display: flex;
            justify-content: center;
            .main {
                padding: 60px;
                box-sizing: border-box;
                background: #fff;
                display: grid;
                grid-template-columns: 1fr 1fr;
                grid-gap: 0 60px;
                border-radius: 5px;
                .main_L {
                    position: relative;
                    color: #fff;
                    padding: 30px 55px 92px 45px;
                    box-sizing: border-box;
                    border-radius: 5px;
                    box-shadow: 0 2px 4px 0 rgba(1, 34, 77, 50%);
                    background: linear-gradient(138deg, #17baff 0%, #0864da 100%);
                    h3 {
                        font-size: 24px;
                        margin-bottom: 20px
                    }
                    p {
                        line-height: 24px;
                        font-size: 16px;
                        margin-bottom: 17px;
                    }
                    .Img {
                        width: 240px;
                        position: absolute;
                        right: 0;
                        bottom: -20px;
                        transform: translateX(20%);
                        img {
                            width: 100%;
                            height: auto;
                        }
                    }
                }
            }
            .main_R {
                label {
                    font-size: 14px;
                    font-weight: normal;
                }
                input {
                    font-size: 14px;
                    outline: none;
                    margin: 8px 0 20px;
                    width: 100%;
                    height: 35px;
                    line-height: 35px;
                    border: 1px solid #ccc;
                    padding-left: 20px;
                    display: block;
                }
                .Btn {
                    width: 100%;
                    margin-top: 50px;
                    background: rgba(23, 149, 255, 0.9);
                    border: none;
                    color: #fff;
                }
            }
        }
    }
    /*底部内容开始*/
    .footer {
        padding-bottom: 100px;
        overflow: hidden;
        background: #276DC3;
        .nav {
            display: flex;
            .navLi {
                cursor: pointer;
                color: #fff;
                display: inline-block;
                height: 95px;
                line-height: 95px;
                font-size: 20px;
                padding: 0 15px;
                box-sizing: border-box;
            }
            .navLiA {
                background: #FF7403;
            }
        }
        .main {
            padding: 20px 0;
            box-sizing: border-box;
            display: grid;
            grid-template-columns: 715px 1fr;
            .main_left {
                ul li {
                    font-size: 16px;
                    text-align: left;
                    color: #fff;
                    font-weight: 100;
                    line-height: 28px;
                    span {
                        color: #ff7403;
                        font-size: 26px;
                    }
                }
            }
            .main_right {
                padding-left: 20px;
                display: grid;
                grid-template-columns: 1fr 1fr 1fr;
                .box {
                    text-align: center;
                    font-size: 14px;
                    color: #fff;
                    .img {
                        margin: 0 auto;
                        width: 120px;
                        height: 120px;
                        padding: 3px;
                        box-sizing: border-box;
                        margin-bottom: 20px;
                        background: #fff;
                        img {
                            width: 100%;
                            height: auto;
                        }
                    }
                }
            }
        }
    }
    /*底部内容结束*/
    /*广告开始*/
    .ad {
        width: 100%;
        position: fixed;
        bottom: -1px;
        left: 0;
        .BigPicture {
            width: 100%;
            img {
                width: 100%;
                height: auto;
            }
        }
        /*咨询*/
        .consult {
            position: absolute;
            right: 25%;
            top: 30%;
            animation: consult 1.5s linear infinite;
            transform: scale(0.9);
        }
        @keyframes consult {
            0%,
            100% {
                transform: scale(0.9);
            }
            50% {
                transform: scale(0.8);
            }
        }
        /*关闭*/
        .close_btn {
            position: absolute;
            right: 15%;
            top: 0;
            border-radius: 50%;
            z-index: 99;
            cursor: pointer;
            span {
                border: 2px solid #F66A00;
                font-size: 30px;
                color: #fff;
                display: block;
                width: 40px;
                height: 40px;
                line-height: 40px;
                text-align: center;
                border-radius: 50%;
                background: #FE7300;
            }
        }
    }
    /*广告结束*/
}